Contract Source Code:
File 1 of 1 : HitToken
pragma solidity 0.4.24;
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 public totalSupply_;
/**
* @dev total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(msg.data.length>=(2*32)+4);
require(_to != address(0));
require(_value <= balances[msg.sender]);
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer (msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
require(_value==0||allowed[msg.sender][_spender]==0);
require(msg.data.length>=(2*32)+4);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused public {
paused = false;
emit Unpause();
}
}
/**
* @title Pausable token
* @dev StandardToken modified with pausable transfers.
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
return super.transferFrom(_from, _to, _value);
}
function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
return super.approve(_spender, _value);
}
function increaseApproval(address _spender, uint _addedValue) public whenNotPaused returns (bool success) {
return super.increaseApproval(_spender, _addedValue);
}
function decreaseApproval(address _spender, uint _subtractedValue) public whenNotPaused returns (bool success) {
return super.decreaseApproval(_spender, _subtractedValue);
}
}
/**
* @title Lock token
* @dev Lock which is defined the lock logic
**/
contract Lock is PausableToken{
mapping(address => uint256) public teamLockTime; // Lock start time
mapping(address => uint256) public fundLockTime; // Lock start time
uint256 public issueDate =0 ;//issueDate
mapping(address => uint256) public teamLocked;// Total Team lock
mapping(address => uint256) public fundLocked;// Total fund lock
mapping(address => uint256) public teamUsed; // Team Used
mapping(address => uint256) public fundUsed; // Fund Used
mapping(address => uint256) public teamReverse; // Team reserve
mapping(address => uint256) public fundReverse; // Fund reserve
/**
* @dev Calculate the number of Tokens available for teamAccount
* @param _to teamAccount's address
*/
function teamAvailable(address _to) internal constant returns (uint256) {
require(teamLockTime[_to]>0);
//Cover the start time of the lock before the release is the issueDate
if(teamLockTime[_to] != issueDate)
{
teamLockTime[_to]= issueDate;
}
uint256 now1 = block.timestamp;
uint256 lockTime = teamLockTime[_to];
uint256 time = now1.sub(lockTime);
uint256 percent = 0;
//locks team account for 1 year
if(time >= 365 days) {
percent = (time.div(30 days)) .add(1);
}
percent = percent > 12 ? 12 : percent;
uint256 avail = teamLocked[_to];
require(avail>0);
avail = avail.mul(percent).div(12).sub(teamUsed[_to]);
return avail ;
}
/**
* @dev Get the number of Tokens available for the current private fund account
* @param _to mainFundAccount's address
**/
function fundAvailable(address _to) internal constant returns (uint256) {
require(fundLockTime[_to]>0);
//Cover the start time of the lock before the release is the issueDate
if(fundLockTime[_to] != issueDate)
{
fundLockTime[_to]= issueDate;
}
//The start time of the lock position
uint256 lockTime = fundLockTime[_to];
//The interval between the current time and the start time of the lockout
uint256 time = block.timestamp.sub(lockTime);
//Unlocked 25%
uint256 percent = 250;
//After more than 30 days, 75% of the minutes and 150 days of unlocking 5/1000 per day
if(time >= 30 days) {
percent = percent.add( (((time.sub(30 days)).div (1 days)).add (1)).mul (5));
}
percent = percent > 1000 ? 1000 : percent;
uint256 avail = fundLocked[_to];
require(avail>0);
avail = avail.mul(percent).div(1000).sub(fundUsed[_to]);
return avail ;
}
/**
* @dev Team lock
* @param _to team lock account's address
* @param _value the number of Token
*/
function teamLock(address _to,uint256 _value) internal {
require(_value>0);
teamLocked[_to] = teamLocked[_to].add(_value);
teamReverse[_to] = teamReverse[_to].add(_value);
teamLockTime[_to] = block.timestamp; // Lock start time
}
/**
* @dev Privately offered fund lock
* @param _to Privately offered fund account's address
* @param _value the number of Token
*/
function fundLock(address _to,uint256 _value) internal {
require(_value>0);
fundLocked[_to] =fundLocked[_to].add(_value);
fundReverse[_to] = fundReverse[_to].add(_value);
if(fundLockTime[_to] == 0)
fundLockTime[_to] = block.timestamp; // Lock start time
}
/**
* @dev Team account transaction
* @param _to The accept token address
* @param _value Number of transactions
*/
function teamLockTransfer(address _to, uint256 _value) internal returns (bool) {
//The remaining part
uint256 availReverse = balances[msg.sender].sub((teamLocked[msg.sender].sub(teamUsed[msg.sender]))+(fundLocked[msg.sender].sub(fundUsed[msg.sender])));
uint256 totalAvail=0;
uint256 availTeam =0;
if(issueDate==0)
{
totalAvail = availReverse;
}
else{
//the number of Tokens available for teamAccount'Locked part
availTeam = teamAvailable(msg.sender);
//the number of Tokens available for teamAccount
totalAvail = availTeam.add(availReverse);
}
require(_value <= totalAvail);
bool ret = super.transfer(_to,_value);
if(ret == true && issueDate>0) {
//If over the teamAccount's released part
if(_value > availTeam){
teamUsed[msg.sender] = teamUsed[msg.sender].add(availTeam);
teamReverse[msg.sender] = teamReverse[msg.sender].sub(availTeam);
}
//If in the teamAccount's released part
else{
teamUsed[msg.sender] = teamUsed[msg.sender].add(_value);
teamReverse[msg.sender] = teamReverse[msg.sender].sub(_value);
}
}
if(teamUsed[msg.sender] >= teamLocked[msg.sender]){
delete teamLockTime[msg.sender];
delete teamReverse[msg.sender];
}
return ret;
}
/**
* @dev Team account authorization transaction
* @param _from The give token address
* @param _to The accept token address
* @param _value Number of transactions
*/
function teamLockTransferFrom(address _from,address _to, uint256 _value) internal returns (bool) {
//The remaining part
uint256 availReverse = balances[_from].sub((teamLocked[_from].sub(teamUsed[_from]))+(fundLocked[_from].sub(fundUsed[_from])));
uint256 totalAvail=0;
uint256 availTeam =0;
if(issueDate==0)
{
totalAvail = availReverse;
}
else{
//the number of Tokens available for teamAccount'Locked part
availTeam = teamAvailable(_from);
//the number of Tokens available for teamAccount
totalAvail = availTeam.add(availReverse);
}
require(_value <= totalAvail);
bool ret = super.transferFrom(_from,_to,_value);
if(ret == true && issueDate>0) {
//If over the teamAccount's released part
if(_value > availTeam){
teamUsed[_from] = teamUsed[_from].add(availTeam);
teamReverse[_from] = teamReverse[_from].sub(availTeam);
}
//If in the teamAccount's released part
else{
teamUsed[_from] = teamUsed[_from].add(_value);
teamReverse[_from] = teamReverse[_from].sub(_value);
}
}
if(teamUsed[_from] >= teamLocked[_from]){
delete teamLockTime[_from];
delete teamReverse[_from];
}
return ret;
}
/**
* @dev Privately Offered Fund Transfer Token
* @param _to The accept token address
* @param _value Number of transactions
*/
function fundLockTransfer(address _to, uint256 _value) internal returns (bool) {
//The remaining part
uint256 availReverse = balances[msg.sender].sub((teamLocked[msg.sender].sub(teamUsed[msg.sender]))+(fundLocked[msg.sender].sub(fundUsed[msg.sender])));
uint256 totalAvail=0;
uint256 availFund = 0;
if(issueDate==0)
{
totalAvail = availReverse;
}
else{
require(now>issueDate);
//the number of Tokens available for mainFundAccount'Locked part
availFund = fundAvailable(msg.sender);
//the number of Tokens available for mainFundAccount
totalAvail = availFund.add(availReverse);
}
require(_value <= totalAvail);
bool ret = super.transfer(_to,_value);
if(ret == true && issueDate>0) {
//If over the mainFundAccount's released part
if(_value > availFund){
fundUsed[msg.sender] = fundUsed[msg.sender].add(availFund);
fundReverse[msg.sender] = fundReverse[msg.sender].sub(availFund);
}
//If in the mainFundAccount's released part
else{
fundUsed[msg.sender] = fundUsed[msg.sender].add(_value);
fundReverse[msg.sender] = fundReverse[msg.sender].sub(_value);
}
}
if(fundUsed[msg.sender] >= fundLocked[msg.sender]){
delete fundLockTime[msg.sender];
delete fundReverse[msg.sender];
}
return ret;
}
/**
* @dev Privately Offered Fund Transfer Token
* @param _from The give token address
* @param _to The accept token address
* @param _value Number of transactions
*/
function fundLockTransferFrom(address _from,address _to, uint256 _value) internal returns (bool) {
//The remaining part
uint256 availReverse = balances[_from].sub((teamLocked[_from].sub(teamUsed[_from]))+(fundLocked[_from].sub(fundUsed[_from])));
uint256 totalAvail=0;
uint256 availFund = 0;
if(issueDate==0)
{
totalAvail = availReverse;
}
else{
require(now>issueDate);
//the number of Tokens available for mainFundAccount'Locked part
availFund = fundAvailable(_from);
//the number of Tokens available for mainFundAccount
totalAvail = availFund.add(availReverse);
}
require(_value <= totalAvail);
bool ret = super.transferFrom(_from,_to,_value);
if(ret == true && issueDate>0) {
//If over the mainFundAccount's released part
if(_value > availFund){
fundUsed[_from] = fundUsed[_from].add(availFund);
fundReverse[_from] = fundReverse[_from].sub(availFund);
}
//If in the mainFundAccount's released part
else{
fundUsed[_from] = fundUsed[_from].add(_value);
fundReverse[_from] = fundReverse[_from].sub(_value);
}
}
if(fundUsed[_from] >= fundLocked[_from]){
delete fundLockTime[_from];
}
return ret;
}
}
/**
* @title HitToken
* @dev HitToken Contract
**/
contract HitToken is Lock {
string public name;
string public symbol;
uint8 public decimals;
// Proportional accuracy
uint256 public precentDecimal = 2;
// mainFundPrecent
uint256 public mainFundPrecent = 2650;
//subFundPrecent
uint256 public subFundPrecent = 350;
//devTeamPrecent
uint256 public devTeamPrecent = 1500;
//hitFoundationPrecent
uint256 public hitFoundationPrecent = 5500;
//mainFundBalance
uint256 public mainFundBalance;
//subFundBalance
uint256 public subFundBalance;
//devTeamBalance
uint256 public devTeamBalance;
//hitFoundationBalance
uint256 public hitFoundationBalance;
//subFundAccount
address public subFundAccount;
//mainFundAccount
address public mainFundAccount;
/**
* @dev Contract constructor
* @param _name token's name
* @param _symbol token's symbol
* @param _decimals token's decimals
* @param _initialSupply token's initialSupply
* @param _teamAccount teamAccount
* @param _subFundAccount subFundAccount
* @param _mainFundAccount mainFundAccount
* @param _hitFoundationAccount hitFoundationAccount
*/
function HitToken(string _name, string _symbol, uint8 _decimals, uint256 _initialSupply,address _teamAccount,address _subFundAccount,address _mainFundAccount,address _hitFoundationAccount) public {
name = _name;
symbol = _symbol;
decimals = _decimals;
//Define a subFundAccount
subFundAccount = _subFundAccount;
//Define a mainFundAccount
mainFundAccount = _mainFundAccount;
//Calculated according to accuracy, if the precision is 18, it is _initialSupply x 10 to the power of 18
totalSupply_ = _initialSupply * 10 ** uint256(_decimals);
//Calculate the total value of mainFund
mainFundBalance = totalSupply_.mul(mainFundPrecent).div(100* 10 ** precentDecimal) ;
//Calculate the total value of subFund
subFundBalance = totalSupply_.mul(subFundPrecent).div(100* 10 ** precentDecimal);
//Calculate the total value of devTeamBalance
devTeamBalance = totalSupply_.mul(devTeamPrecent).div(100* 10 ** precentDecimal);
//Calculate the total value of hitFoundationBalance
hitFoundationBalance = totalSupply_.mul(hitFoundationPrecent).div(100* 10 ** precentDecimal) ;
//Initially put the hitFoundationBalance into the hitFoundationAccount
balances[_hitFoundationAccount] = hitFoundationBalance;
//Initially put the devTeamBalance into the teamAccount
balances[_teamAccount] = devTeamBalance;
//Initially put the subFundBalance into the subFundAccount
balances[_subFundAccount] = subFundBalance;
//Initially put the mainFundBalance into the mainFundAccount
balances[_mainFundAccount]=mainFundBalance;
//Initially lock the team account
teamLock(_teamAccount,devTeamBalance);
}
/**
* @dev destroy the msg sender's token onlyOwner
* @param _value the number of the destroy token
*/
function burn(uint256 _value) public onlyOwner returns (bool) {
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[address(0)] = balances[address(0)].add(_value);
emit Transfer(msg.sender, address(0), _value);
return true;
}
/**
* @dev Transfer token
* @param _to the accept token address
* @param _value the number of transfer token
*/
function transfer(address _to, uint256 _value) public returns (bool) {
if(issueDate==0)
{
//the mainFundAccounts is not allowed to transfer before issued
require(msg.sender != mainFundAccount);
}
if(teamLockTime[msg.sender] > 0){
return super.teamLockTransfer(_to,_value);
}else if(fundLockTime[msg.sender] > 0){
return super.fundLockTransfer(_to,_value);
}else {
return super.transfer(_to, _value);
}
}
/**
* @dev Transfer token
* @param _from the give token address
* @param _to the accept token address
* @param _value the number of transfer token
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
if(issueDate==0)
{
//the mainFundAccounts is not allowed to transfer before issued
require(_from != mainFundAccount);
}
if(teamLockTime[_from] > 0){
return super.teamLockTransferFrom(_from,_to,_value);
}else if(fundLockTime[_from] > 0 ){
return super.fundLockTransferFrom(_from,_to,_value);
}else{
return super.transferFrom(_from, _to, _value);
}
}
/**
* @dev Privately offered Fund
* @param _to the accept token address
* @param _value the number of transfer token
*/
function mintFund(address _to, uint256 _value) public returns (bool){
require(msg.sender==mainFundAccount);
require(mainFundBalance >0);
require(_value >0);
if(_value <= mainFundBalance){
super.transfer(_to,_value);
fundLock(_to,_value);
mainFundBalance = mainFundBalance.sub(_value);
}
}
/**
* @dev Issue the token
*/
function issue() public onlyOwner returns (uint){
//Only one time
require(issueDate==0);
issueDate = now;
return now;
}
/**avoid mis-transfer*/
function() public payable{
revert();
}
}